Make phone call trouble 8(

I try to do a recall on a certain telephone number, utillizing the article of http://wiki.forum.nokia.com/index.php/Call_Handling
a call takes a place, but as soon as press cancel - a telephone leaves in reboot.....
A forum unespecially helped also......
Who would not could divided a complete source code....because in the article it far incomplete....
My target 2rd edition.